Author Topic: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES  (Read 189130 times)

Online ZachS09

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #260 on: 12/15/2017 02:40 pm »
As the first stage maneuvers to reentry attitude, the aluminum (NOT titanium) grid fins will deploy to further assist in precise steering alongside the cold-gas thrusters.
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!

Offline Steven Pietrobon

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #261 on: 12/15/2017 02:41 pm »
T+4 minutes. Fins deployed.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online ZachS09

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #262 on: 12/15/2017 02:41 pm »
T+4 minutes, 20 seconds. I'm estimating that the first stage's apogee is 130+ kilometers.
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!

Online ZachS09

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #263 on: 12/15/2017 02:41 pm »
Continuing to get excellent video from long-range tracking cameras.
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!

Offline Steven Pietrobon

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #264 on: 12/15/2017 02:41 pm »
T+5 minutes. AOS Bermuda.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Lar

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #265 on: 12/15/2017 02:41 pm »
post
"I think it would be great to be born on Earth and to die on Mars. Just hopefully not at the point of impact." -Elon Musk
"We're a little bit like the dog who caught the bus" - Musk after CRS-8 S1 successfully landed on ASDS OCISLY

Online ZachS09

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #266 on: 12/15/2017 02:42 pm »
Bermuda AOS.
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!

Offline eeergo

Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #267 on: 12/15/2017 02:42 pm »
S1 after apogee.
-DaviD-

Online ZachS09

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #268 on: 12/15/2017 02:42 pm »
New Hampshire also tracking the second stage and Dragon.
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!

Offline eeergo

Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #269 on: 12/15/2017 02:42 pm »
Some venting from the engines.
-DaviD-

Offline Steven Pietrobon

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #270 on: 12/15/2017 02:42 pm »
T+6 minutes. Stage 1 entry burn startup.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online ZachS09

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #271 on: 12/15/2017 02:43 pm »
T+6 minutes, 7 seconds. Stage 1 entry burn has started. This 1-3-1 engine burn will prevent the first stage from disintegrating as it plows through the atmosphere.
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #272 on: 12/15/2017 02:43 pm »
Stage 1 entry burn has ended. Preparing to safe the first stage's AFTS.
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!

Offline eeergo

Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #273 on: 12/15/2017 02:43 pm »
Entry burn!
-DaviD-

Online ZachS09

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #274 on: 12/15/2017 02:43 pm »
Second stage propulsion is still nominal. Less than three minutes of powered flight remaining.
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!

Offline Steven Pietrobon

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #275 on: 12/15/2017 02:43 pm »
T+7 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online ZachS09

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #276 on: 12/15/2017 02:44 pm »
Stage 1 is transonic. Speed under 340.29 meters per second for the first stage.
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #277 on: 12/15/2017 02:44 pm »
Stage 1 landing burn has started. This single-engine burn will last ~30 seconds.

Landing legs will deploy about ten seconds prior to touchdown.
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!

Online FutureSpaceTourist

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #278 on: 12/15/2017 02:44 pm »
Perfect S1 landing! Nice camera shot too :)

Offline Steven Pietrobon

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #279 on: 12/15/2017 02:44 pm »
Touchdown!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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